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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Value Health. 2012 Nov 30;16(1):97–103. doi: 10.1016/j.jval.2012.08.2207

Table 1.

Descriptive Statistics

Mean Std. Dev Skewness Kurtosis %
Female - - - - 88%
Married - - - - 29%
Employed full time - - - - 46%
Graduating college - - - - 52%
Age, y 46.7 16.9 .03 −.99
Months with IBS 197.8 184.0 1.05 .06
UCLA-SSS 5.49 2.03 −.36 −.35
IBS-SSS 5.97 1.54 −.11 −.29
Bowel subtypes
 IBS-Diarrhea - - - - 41%
 IBS-Constipation - - - - 39%
 IBS-Mixed - - - - 18%
 Missing - - - - 2%

Note: Untransformed mean for UCLA-SS is 11.52 and for IBS-SSS it is 298.5.